powercap: intel_rapl_msr: Add PL4 support for ArrowLake-H

Add ArrowLake-H to the list of processors where PL4 is supported.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20241016154851.1293654-1-srinivas.pandruvada@linux.intel.com


[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>